what can block a wifi signal

Brand Name:Sacontelecom

Model Number:SA-004G

Place of Origin:China

...up to 15m. It blocks 2G 3G 4G WiFi GPS signals. This 3G wifi jamming device is small and compact, very easy to carry. It is built-in battery, the battery can work 1-2 hours with full charge. This handheld wifi jammer also support DC12V, it can be used on

Brand Name:Sacontelecom

Model Number:SA-HJ01

Place of Origin:China

Mini Hidden Mobile Phone Signal Jammer Block GSM 3G WiFi GPS Signals Descriptions: This mini portable signal jammer SA-HJ01 is a hidden device, it has many advantages: 1. The hidden blocker device has a small size, it can be easily put into pocket or ...

Brand Name:Wolvesteam

Place of Origin:China

... output power,for supporting multiple signals blocking and a coverage that ranges from 100 meters to 500 meters. As a stationary signal blocker,it has an ability to keep working continually inside of a building or even in a vehicle (with car charger)You

Brand Name:Wolvesteam

Model Number:WT311101

Place of Origin:China

... &WiFi UHF VHF GPS L1/L2/L5 Lojack Remote Control All Bands Signal Jammer you are viewing now is in stock and will be newest style and modern signal blocker, which can offer best protection for your privacy and quiet environment. And can far beyond your

Brand Name:wolvesteam

Model Number:WT600157

Place of Origin:China

....With jamming distance up to 500 meters,this high power GSM CDMA PCS DCS 3G 4GLTE 5G WIFI GPS VHF UHF and Lojack Customized jammer is very competative. This is a high power efficient jamming device can be used to block unwanted signals in occasions such as

Brand Name:wolvesteam

Model Number:WT600157

Place of Origin:China

...WIFI GPS 3G 4G 5G All Cell Phone Signal Jammer Product Description We have 4-12 bands frequenices optional of this high power cell phone signal jammer.With jamming distance up to 500-1000 meters,this high power GSM CDMA PCS DCS 3G 4GLTE 4G Wimax 5G WIFI GPS VHF UHF and Lojack Customized jammer is very competative. This is a high power efficient jamming device can be used to block unwanted signals...

Brand Name:wolvesteam

Model Number:WT600157-1

Place of Origin:China

... distance up to 500-1000 meters,this high power GSM CDMA PCS DCS 3G 4GLTE 4G Wimax 5G WIFI GPS VHF UHF and Lojack Customized jammer is very competative. This is a high power efficient jamming device can be used to block unwanted signals in

Brand Name:wolvesteam

Model Number:WT600157-1

Place of Origin:China

... distance up to 500-1000 meters,this high power GSM CDMA PCS DCS 3G 4GLTE 4G Wimax 5G WIFI GPS VHF UHF and Lojack Customized jammer is very competative. This is a high power efficient jamming device can be used to block unwanted signals in

Brand Name:wolvesteam

Model Number:WT702017

Place of Origin:China

... up to 500-1000 meters,this high power GSM CDMA PCS DCS 3G 4G LTE 4G Wimax 5G WIFI GPS VHF UHF and Lojack Customized jammer is very competative. This is a high power efficient jamming device can be used to block unwanted signals in

Brand Name:GREETWIN

Model Number:GW-JA12

Place of Origin:China

..., the high power jammer can block both the mobile phone signals and the Bluetooth is the best choice. This 30W High Power 2G 3G Cellphone WiFi Bluetooth Signal Blocker is designed for this purpose and is useful. For places like the church, library,

Place of Origin:China

Brand Name:EST

Model Number:EST-808FII

...Signal Jammer 30dBm , Wifi Wireless Video Jammer Quick details :block frequency :1200-1300MHZ,2400-2500MHZ Jamming range :1-15m Technology index Output port Frequency Average out-putting power Channel out-putting power wireless video 1200-1300MHz 30dBm 3dBm/30KHz(min) Wifi / Blue Tooth 2400-2500MHZ 33dBm 3dBm/30KHz(min) Available system: WIFI...

Brand Name:GREETWIN

Model Number:GW-JN8AR-Pro

Place of Origin:China

...switch on power supply. The mobile phone jammers block all mobile phone signals such as GSM900, CDMA800, 3G/WCDMA ,4GLTE800. The mobile phone jammers only block downlink frequency from BTS, but do not block uplink frequency from BTS. The jammers has no

Brand Name:MONOJOY

Place of Origin:China

...Signal Blocker Pouch, Fob faraday bag for Keyless Car Key NFC/WiFi/LTE/RFID Blocker for Car Keys How does Our Car key Signal blocker box work? The inside layer of car fob faraday bag is covered by RFID Nano-shielding material It's shielding effectiveness is about 70-90db Your car key's signal strength is about 58db, which means car key signal will be 100% blocked...

Brand Name:MONOJOY

Place of Origin:China

...Signal Blocker Pouch, Fob faraday bag for Keyless Car Key NFC/WiFi/LTE/RFID Blocker for Car Keys How does Our Car key Signal blocker box work? The inside layer of car fob faraday bag is covered by RFID Nano-shielding material It's shielding effectiveness is about 70-90db Your car key's signal strength is about 58db, which means car key signal will be 100% blocked...

Brand Name:EST

Model Number:EST-502C10

Place of Origin:Guangdong, China

... Phone and WIFI Signal Jammer Stationary 10 Bands 1. Introduction EST-502C10 cell phone signal jammer, adopted with broad band scanning technology, is aimed to blocking 2G/3G/4G/5G mobile phone signal or candid camera, WIFI signal. Suitable for ...

Brand Name:TSL

Model Number:TSL-F4

Place of Origin:China

... includes but not limited to Wifi, CDMA, GSM, 3G & 4G LTE, GPS, UHF, VHF and Bluetooth. Any wireless signals which can be used for cheating are available for jamming. 3. The silver metal case provides an excellent heat-dissipation effect for the jammer. 4

Brand Name:Sacon

Model Number:SA-012B

Place of Origin:China

... 5). LTE: 725-770MHz (or 790-825MHz) 6). 4G: 2620-2690MHz (or WIMAX: 2345-2400MHz) 7). WiFi : 2400-2500MHz 8). GPS L1: 1570-1580MHz 9). GPS L2: 1200-1300MHz 10). VHF: 135-174MHz 11). ...

Brand Name:Sacontelecom

Model Number:SA-005P-N

Place of Origin:China

Portable Cell Phone Jammer 5 Channels 2G 3G WiFi GPS Built-in Battery Looking for a cell phone jammer that can block both the signals of the 4G LTE and 4G Wimax, this 2.5W Portable 3G Cell Phone Jammer & 4G Jammer (4G LTE + 4G ...

Brand Name:GREETWIN

Model Number:GW-JN6Pro

Place of Origin:China

... bands when there is the demand for signal free zone. The 6 antenna portable Wifi 3G 4G phone signal jammer is one of the multifunctional signal blocking units available with well-built compact construction and delicately combined functionality. The

Brand Name:Vodaafe

Model Number:P24

Place of Origin:China

...GPS 5G signal jammer is designed with 24 antennas which bring us a strong jamming ability. And it can not only cut off all 3G 4G 5G mobile phone signals, but also block WiFi GPS LOJACK signals. And with Adjustable 24 watts high power, the jamming radius of